I accidentally stepped on my crush pens and broke them.

I have two bow pens.

Sea pens are beautiful creatures found in the ocean.

I bought a set of gel pens for my art project.

The workers stored the explosives in the blast pens.

I bought a set of technical pens for my art project.

I bought a pack of ball pens.

I bought a pack of conductive pens.

I bought a set of feather pens for calligraphy.

I bought a set of geometric pens for my art project.